emotet | 69a2ab72eb15c6bc8cc6cbd3d66bb445821c822f41494b54c48bc94388fa1f0c

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2023 00:28

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General

Target

2019-05-01-Emotet-and-Trickbot-malware-and-artifacts(1)/2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
Size

157KB
MD5

d05d59b36d76a2d919d73e5383f0b35b
SHA1

bdd29b90d93e3bd85b2e0291e3601a45b0c8e33c
SHA256

486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
SHA512

74efa7b921beda7eff6c56ccd43eef44d4e1ec19e6bb76ccb08e879b2e491a7fffbf176b095244a73181098583d925d56f44fc9cb41c73b67c43a85224f04fc2
SSDEEP

3072:paROF9HwBJa2vMjrmok3XxK6T9f5pNF/NB+GQIiqGgyVcU4TZP8eIn:l9wBJa2EmvXxKy9FJjQIi1gyR/

Score

10^/10

emotet banker trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 4 IoCs

Processes:

relexec.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	relexec.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	relexec.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	relexec.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	relexec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

relexec.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	relexec.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	relexec.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	relexec.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

relexec.exe

pid	process
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe
2240	relexec.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

pid process

4288 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

pid	process
4288	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exerelexec.exe

description	pid	process	target process
PID 4056 wrote to memory of 4288	4056	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 4056 wrote to memory of 4288	4056	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 4056 wrote to memory of 4288	4056	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 2784 wrote to memory of 2240	2784	relexec.exe	relexec.exe
PID 2784 wrote to memory of 2240	2784	relexec.exe	relexec.exe
PID 2784 wrote to memory of 2240	2784	relexec.exe	relexec.exe

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-and-Trickbot-malware-and-artifacts(1)\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-and-Trickbot-malware-and-artifacts(1)\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4056

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-and-Trickbot-malware-and-artifacts(1)\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
--f96050b5
2⤵
- Suspicious behavior: RenamesItself
PID:4288

C:\Windows\SysWOW64\relexec.exe
"C:\Windows\SysWOW64\relexec.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\SysWOW64\relexec.exe
--8fe72580
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2240

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2240-142-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-144-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4056-133-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4056-135-0x00000000004A0000-0x00000000004B1000-memory.dmp

Filesize
68KB

Download
memory/4288-136-0x0000000000570000-0x0000000000581000-memory.dmp

Filesize
68KB

Download
memory/4288-137-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4288-140-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download